122625537742 has 8 divisors (see below), whose sum is σ = 194758207056. Its totient is φ = 57706135392.

The previous prime is 122625537739. The next prime is 122625537743. The reversal of 122625537742 is 247735526221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 122625537692 and 122625537701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122625537743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1803316698 + ... + 1803316765.

It is an arithmetic number, because the mean of its divisors is an integer number (24344775882).

Almost surely, 2^122625537742 is an apocalyptic number.

122625537742 is a deficient number, since it is larger than the sum of its proper divisors (72132669314).

122625537742 is a wasteful number, since it uses less digits than its factorization.

122625537742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3606633482.

The product of its digits is 1411200, while the sum is 46.

The spelling of 122625537742 in words is "one hundred twenty-two billion, six hundred twenty-five million, five hundred thirty-seven thousand, seven hundred forty-two".